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Color Contrast Checker

Check WCAG contrast ratio between two colors.

Runs locally · nothing uploaded

How to use this tool

1Pick or type in a starting color.
2See it instantly converted or checked against the format you need.
3Copy any value with one click.

Frequently asked questions

Do these tools work with any color format?

Most accept HEX, RGB and HSL input, and every tool shows the equivalent values in the other formats.

Can I use the results directly in CSS?

Yes — HEX, rgb(), and hsl() outputs are all valid, ready-to-paste CSS color values.

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